Alnus acuminata subsp. arguta (Schltdl.) Furlow in Ann. Missouri Bot. Gard. 63(2): 380. 1977 ["1976"] sec. Christenhusz 2009
- ≡Betula arguta Schltdl. in Linnaea 7: 139. 1832 syn. sec. Berendsohn & al. 2012
- =Alnus arguta var. cuprea Bartlett in Proc. Amer. Acad. Arts 44: 610. 1909 syn. sec. ???